#42A8A4#42A8A4

#42A8A4 is a light, moderate teal. Relative luminance 0.318; OKLCH L 67.2% C 0.094 H 191.5°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#42A8A4
RGB	rgb(66, 168, 164)
HSL	hsl(178, 44%, 46%)
HSV	hsv(178, 61%, 66%)
CMYK	cmyk(60.7%, 0%, 2.4%, 34.1%)
CIE-LAB	lab(63.21, -30.09, -6.73)
CIE-LCH	lch(63.21, 30.83, 192.61°)
OKLab	oklab(67.17% -0.0917 -0.0187)
OKLCH	oklch(67.17% 0.094 191.5)
XYZ	xyz(22.9473, 31.8414, 40.0514)
Luminance	0.3184 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A8A4 #A84246

analogous

#42A871 #42A8A4 #4279A8

triadic

#42A8A4 #A442A8 #A8A442

tetradic

#42A8A4 #7142A8 #A84246 #79A842

square

#42A8A4 #7142A8 #A84246 #79A842

split-complementary

#42A8A4 #A84279 #A87142

monochromatic

#1F504E #317C79 #42A8A4 #65C2BF #91D4D1

Accessibility & contrast

On white

2.85

#42A8A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#42A8A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A8A4

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A8A4	#FFFFFF	#000000	##000000
##42A8A4	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FA0A4

Deuteranopia (green-blind)

#8E94A5

Tritanopia (blue-blind)

#00ACA6

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42a8a4;
/* rgb */ color: rgb(66, 168, 164);
/* oklch */ color: oklch(67.2% 0.094 191.5);

Tailwind

colors: {
  custom: {
    50: '#82c2be',
    500: '#42a8a4',
    950: '#000000',
  },
}

SCSS

$custom: #42a8a4;
$custom-light: #82c2be;
$custom-dark: #000000;

JSON

{
  "hex": "#42a8a4",
  "rgb": {
    "r": 66,
    "g": 168,
    "b": 164
  },
  "hsl": {
    "h": 177.647,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.67166,
    "c": 0.09358,
    "h": 191.5
  },
  "luminance": 0.31844
}

Semantic roles & 50–950 ramp

primary

#42A8A4

secondary

#BF8789

accent

#5459D3

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0B1212

muted

#7C8181

Preview Lab

Preview with #42A8A4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →